###
 # @Description: 
 # @Version: 2.0
 # @Autor: gang
 # @Date: 2020-09-17 10:34:36
 # @LastEditors: gang
 # @LastEditTime: 2020-09-17 10:47:52
### 
#!/bin/bash

runlevel=$(set -- $(runlevel); eval "echo \$$#" )
echo ${runlevel}